We can start by dividing it by 2 repeatedly until we can't anymore.
$$600 = 2 \times 300$$
$$= 2 \times 2 \times 150$$
$$= 2 \times 2 \times 2 \times 75$$
$$= 2 \times 2 \times 2 \times 3 \times 25$$
$$= 2 \times 2 \times 2 \times 3 \times 5 \times 5$$
So the
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